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Lesson Plan
Curated OER

How Big is Barbie?

For Teachers 9th - 12th
High schoolers measure various dimensions of a male and a female dolls body and scale them proportionally to average human measurements. They calculate the appropriate scale factor (magnitude) to enlarge their doll and apply that scale...
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Lesson Plan
PBS

Frame Yourself: Area and Perimeter

For Teachers 2nd - 4th Standards
Elementary schoolers are arranged in pairs and view the video Math Works: Measurement: The Difference Between Perimeter and Area. They discuss any prior knowledge they have of the term perimeter and then brainstorm together what the...